and Lokesh Kumar Jat, Prerna Roy, Y.V. Singh. “Soil Maturity Assessment in Indo-Gangetic Alluvium of Bihar Using Soil Inorganic Phosphorus Fractions Based Weathering Index: A Comparative Approach”. Journal of the Indian Society of Soil Science, vol. 64, no. 4, Mar. 2017, https://epubs.icar.org.in/index.php/JISSS/article/view/69029.